linux-kernel - [PATCH v10 2/3] arm64: dts: qcom: sm8750: Add USB support for SM8750 MTP platform

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Message-Id: <20251031123354.542074-3-krishna.kurapati@oss.qualcomm.com>
Date: Fri, 31 Oct 2025 18:03:53 +0530
From: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Wesley Cheng <wesley.cheng@....qualcomm.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Jishnu Prakash <jishnu.prakash@....qualcomm.com>,
        Krishna Kurapati <krishna.kurapati@....qualcomm.com>
Subject: [PATCH v10 2/3] arm64: dts: qcom: sm8750: Add USB support for SM8750 MTP platform

From: Wesley Cheng <wesley.cheng@....qualcomm.com>

Enable USB support on SM8750 MTP variant. Add the PMIC glink node with
connector to enable role switch support.

Signed-off-by: Wesley Cheng <wesley.cheng@....qualcomm.com>
[Konrad: Provided diff to flatten USB node on MTP]
Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Co-developed-by: Jishnu Prakash <jishnu.prakash@....qualcomm.com>
Signed-off-by: Jishnu Prakash <jishnu.prakash@....qualcomm.com>
Signed-off-by: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 73 +++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
index 45b5f7581567..932aeee70054 100644
--- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
@@ -191,6 +191,51 @@ platform {
 		};
 	};
 
+	pmic-glink {
+		compatible = "qcom,sm8750-pmic-glink",
+			     "qcom,sm8550-pmic-glink",
+			     "qcom,pmic-glink";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		orientation-gpios = <&tlmm 61 GPIO_ACTIVE_HIGH>;
+
+		connector@0 {
+			compatible = "usb-c-connector";
+			reg = <0>;
+
+			power-role = "dual";
+			data-role = "dual";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					pmic_glink_hs_in: endpoint {
+						remote-endpoint = <&usb_dwc3_hs>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					pmic_glink_ss_in: endpoint {
+						remote-endpoint = <&usb_dp_qmpphy_out>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+
+					pmic_glink_sbu: endpoint {
+					};
+				};
+			};
+		};
+	};
+
 	vph_pwr: vph-pwr-regulator {
 		compatible = "regulator-fixed";
 
@@ -1200,3 +1245,31 @@ &ufs_mem_hc {
 
 	status = "okay";
 };
+
+&usb {
+	status = "okay";
+};
+
+&usb_dwc3_hs {
+	remote-endpoint = <&pmic_glink_hs_in>;
+};
+
+&usb_hsphy {
+	vdd-supply = <&vreg_l2d_0p88>;
+	vdda12-supply = <&vreg_l3g_1p2>;
+
+	phys = <&pmih0108_eusb2_repeater>;
+
+	status = "okay";
+};
+
+&usb_dp_qmpphy {
+	vdda-phy-supply = <&vreg_l3g_1p2>;
+	vdda-pll-supply = <&vreg_l2d_0p88>;
+
+	status = "okay";
+};
+
+&usb_dp_qmpphy_out {
+	remote-endpoint = <&pmic_glink_ss_in>;
+};
-- 
2.34.1